public Expression TryInline(ResolveContext rc)
{
if (!(Expr is Invocation))
{
return(Expr);
}
invocation = (Expr as Invocation);
if (invocation.MethodGroup.BestCandidate == null)
{
return(Expr);
}
methodSpec = invocation.MethodGroup.BestCandidate;
if (!(methodSpec.MemberDefinition is MethodCore))
{
return(Expr);
}
method = methodSpec.MemberDefinition as MemberCore;
methodData = method as IMethodData;
if (methodData.IsInlinable)
{
return(Expr);
}
TypeSpec returnType = methodData.ReturnType;
ToplevelBlock block = methodData.Block;
if (block.Parameters.Count > 0 || block.TopBlock.NamesCount > 0 && block.TopBlock.LabelsCount > 0)
{
return(Expr);
}
if (returnType != rc.BuiltinTypes.Void &&
block.Statements.Count == 1 && block.Statements [0] is Return)
{
inlineExpr = ((Return)block.Statements [0]).Expr.Clone(new CloneContext());
}
else if (returnType == rc.BuiltinTypes.Void)
{
Block newBlock = new Block(rc.CurrentBlock, block.StartLocation, block.EndLocation);
foreach (var st in block.Statements)
{
newBlock.AddStatement(st.Clone(new CloneContext()));
}
// inlineExpr = newBlock;
}
this.rc = rc;
this.inlineFailed = false;
Expression ret;
inlineExpr.Accept(this);
ret = inlineExpr;
if (inlineFailed)
{
return(Expr);
}
return(ret);
}
void AddFixedFieldInitializer (VariableInitializer variable, Expression initializer)
{
if (initializer == null)
return;
if (initializer is ConstInitializer) {
variable.AddChild (new CSharpTokenNode (Convert (initializer.Location), 1), FieldDeclaration.Roles.LBracket);
variable.AddChild ((INode)initializer.Accept (this), FieldDeclaration.Roles.Initializer);
var initializerLoc = LocationsBag.GetLocations (initializer);
if (initializerLoc != null)
variable.AddChild (new CSharpTokenNode (Convert (initializerLoc[0]), 1), FieldDeclaration.Roles.RBracket);
} else {
variable.AddChild (new CSharpTokenNode (Convert (initializer.Location), 1), FieldDeclaration.Roles.Assign);
variable.AddChild ((INode)initializer.Accept (this), FieldDeclaration.Roles.Initializer);
}
}
